DE59603268D1 - Process for the preparation of bis (4-hydroxyaryl) alkanes - Google Patents

Process for the preparation of bis (4-hydroxyaryl) alkanes

Info

Publication number
DE59603268D1
DE59603268D1 DE59603268T DE59603268T DE59603268D1 DE 59603268 D1 DE59603268 D1 DE 59603268D1 DE 59603268 T DE59603268 T DE 59603268T DE 59603268 T DE59603268 T DE 59603268T DE 59603268 D1 DE59603268 D1 DE 59603268D1
Authority
DE
Germany
Prior art keywords
hydroxyaryl
alkanes
bis
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59603268T
Other languages
German (de)
Inventor
Klaus Berg
Hans-Josef Buysch
Alfred Eitel
Gerhard Fennhoff
Georg Malamet
Clauss Wulff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covestro Deutschland AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7767084&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59603268(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of DE59603268D1 publication Critical patent/DE59603268D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
    • C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
DE59603268T 1995-07-18 1996-07-05 Process for the preparation of bis (4-hydroxyaryl) alkanes Expired - Fee Related DE59603268D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19526088A DE19526088A1 (en) 1995-07-18 1995-07-18 Process for the preparation of bis (4-hydroxyaryl) alkanes

Publications (1)

Publication Number Publication Date
DE59603268D1 true DE59603268D1 (en) 1999-11-11

Family

ID=7767084

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19526088A Withdrawn DE19526088A1 (en) 1995-07-18 1995-07-18 Process for the preparation of bis (4-hydroxyaryl) alkanes
DE59603268T Expired - Fee Related DE59603268D1 (en) 1995-07-18 1996-07-05 Process for the preparation of bis (4-hydroxyaryl) alkanes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19526088A Withdrawn DE19526088A1 (en) 1995-07-18 1995-07-18 Process for the preparation of bis (4-hydroxyaryl) alkanes

Country Status (5)

Country Link
US (1) US6486363B1 (en)
EP (1) EP0754666B1 (en)
JP (1) JPH0931002A (en)
DE (2) DE19526088A1 (en)
ES (1) ES2138275T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69607582T2 (en) * 1996-01-05 2000-10-19 Gen Electric Process for the preparation and purification of 1,1,1-tris (4-hydroxyphenyl) ethane
US5763686A (en) * 1996-12-16 1998-06-09 General Electric Company Method for preparing 1,1,1-tris(4-hydroxyphenyl)ethane
DE19701278A1 (en) * 1997-01-16 1998-07-23 Bayer Ag Process for the preparation of bis (4-hydroxyaryl) alkanes
DE19756771A1 (en) * 1997-12-19 1999-06-24 Bayer Ag Production of bis:4-hydroxyaryl-alkane from phenolic and ketone compounds
TW530045B (en) * 1999-04-13 2003-05-01 Idemitsu Petrochemical Co Method of producing bisphenol A
JP2002193862A (en) * 2000-12-28 2002-07-10 Idemitsu Petrochem Co Ltd Method for producing bisphenol a
JP2002265402A (en) * 2001-03-08 2002-09-18 Idemitsu Petrochem Co Ltd Method for producing bisphenol a
US6703530B2 (en) 2002-02-28 2004-03-09 General Electric Company Chemical reactor system and process
JP7167536B2 (en) * 2018-08-07 2022-11-09 三菱ケミカル株式会社 Bisphenol production method and polycarbonate resin production method
US11781020B2 (en) 2019-08-16 2023-10-10 Ppg Industries Ohio, Inc. Silica-graphenic carbon composite particles and elastomeric materials including such particles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775620A (en) * 1954-07-12 1956-12-25 Shell Dev Production of bis (hydroxyaryl) substituted compounds
GB785079A (en) * 1954-07-12 1957-10-23 Bataafsche Petroleum Improvements in or relating to the preparation of bis(hydroxyaryl) compounds
PL124542B1 (en) * 1978-12-30 1983-01-31 Instytut Ciezkiej Syntezy Organicznej "Blachownia" Method of manufacture of bisphenol a
US4400555A (en) * 1981-10-06 1983-08-23 General Electric Company Ion exchange catalyzed bisphenol synethesis
US4391997A (en) * 1981-10-23 1983-07-05 General Electric Company Ion exchange catalyzed bisphenol process
US4859803A (en) * 1988-05-16 1989-08-22 Shell Oil Company Preparation of bisphenols
US5336813A (en) * 1990-11-13 1994-08-09 General Electric Company Process for low color bisphenol
US5315042A (en) * 1993-03-22 1994-05-24 General Electric Company Use of partial acetone conversion for capacity increase and quality/yield improvement in the bisphenol-A reaction

Also Published As

Publication number Publication date
EP0754666B1 (en) 1999-10-06
US6486363B1 (en) 2002-11-26
JPH0931002A (en) 1997-02-04
EP0754666A2 (en) 1997-01-22
ES2138275T3 (en) 2000-01-01
EP0754666A3 (en) 1997-09-17
DE19526088A1 (en) 1997-01-23

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: BAYER MATERIALSCIENCE AG, 51373 LEVERKUSEN, DE

8339 Ceased/non-payment of the annual fee